5.6×23+56×7.

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/14 12:12:59

5.6×23+56×7.

5.6×23+56×7.7
=5.6×23+5.6×77
=5.6×(23+77)
=5.6×100
=560